Memo in 10 News Investigation causes concern from terrorism experts

A memo uncovered by the 10 News Investigators regarding what appears to be a dry-run by terrorists who want to blow up an airplane is causing concern among experts.

http://www.wtsp.com/video/2735610753001/1496577167001/Memo-in-10-News-Investigation-causes-concern-from-terrorism-expertshttp://bcdownload.gannett.edgesuite.net/wtsp/35087134001/201310/259/35087134001_2735594483001_thumbnail-for-video-2735610753001.jpg?pubId=35087134001Memo in 10 News Investigation causes concern from terrorism expertsA memo uncovered by the 10 News Investigators regarding what appears to be a dry-run by terrorists who want to blow up an airplane is causing concern among experts.terrorismnational securitynationalTSAinternationalNewsflyingsafetyMike Deeson10 news investigatorstvwtsp10 Newsus airways03:17